Home / 750,870.08-1,035,947.16-428,353.16

Finding the Fourth Proportional to 750,870.08, 1,035,947.16 and 428,353.16

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Solution

The fourth proportional to 750,870.08, 1,035,947.16 and 428,353.16 is: 590,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,870.08 : 1,035,947.16 = 428,353.16 : x
  2. Step 2: Convert to fraction form
    750,870.08/1,035,947.16 = 428,353.16/x
  3. Step 3: Cross multiply
    750,870.08x = 1,035,947.16 × 428,353.16
  4. Step 4: Simplify right side
    750,870.08x = 443,751,239,579.03
  5. Step 5: Solve for x
    x = 443,751,239,579.03/750,870.08
  6. Step 6: Final answer
    x = 590,982.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.